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- 'use strict';
- const lazy = (mod, fn, id) => mod === undefined ? fn(id) : mod;
- module.exports = fn => {
- return id => {
- let mod;
- return function () {
- if (arguments.length === 0) {
- mod = lazy(mod, fn, id);
- return mod;
- }
- const ret = {};
- [].forEach.call(arguments, prop => {
- Object.defineProperty(ret, prop, {
- get: () => {
- mod = lazy(mod, fn, id);
- if (typeof mod[prop] === 'function') {
- return function () {
- return mod[prop].apply(mod, arguments);
- };
- }
- return mod[prop];
- }
- });
- });
- return ret;
- };
- };
- };
- module.exports.proxy = fn => {
- return id => {
- let mod;
- const handler = {
- get: (target, property) => {
- mod = lazy(mod, fn, id);
- return Reflect.get(mod, property);
- },
- apply: (target, thisArg, argumentsList) => {
- mod = lazy(mod, fn, id);
- return Reflect.apply(mod, thisArg, argumentsList);
- }
- };
- return new Proxy(() => {}, handler);
- };
- };
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